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EP 3 818 747 A1

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(43) Date of publication: 12.05.2021 Bulletin 2021/19 (21) Application number: 19847168.2 (22) Date of filing: 07.08.2019

(51) International Patent Classification (IPC):  H04W 28/02(2009.01) H04W 76/27(2018.01) H04W 72/04(2009.01) H04W 28/10(2009.01) H04W 76/28(2018.01) (86) International application number: PCT/KR2019/009890 (87) International publication number: WO 2020/032579 (13.02.2020 Gazette 2020/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 08.08.2018 KR 20180092679 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si 16677 (KR)	(72) Inventors: HWANG, June Suwon-Si, Gyeonggi-do 16677 (KR) KIM, Soenghun Suwon-Si, Gyeonggi-do 16677 (KR) JANG, Jaehyuk Suwon-Si, Gyeonggi-do 16677 (KR) AGIWAL, Anil Suwon-Si, Gyeonggi-do 16677 (KR) SAYENKO, Alexander Suwon-Si, Gyeonggi-do 16677 (KR) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)